我不喜欢你的回复速度太慢
[wŏ bù xĭ huān nĭ de huí fù sù dù tài màn]
'I don't like your response speed being too slow.' It might be referring to dissatisfaction about someone who responds slowly, usually implying lack of attention and care, showing impatience of the speaker or annoyance toward delays in communication.